I want to use my Xperia S for debugging, so I followed the OEM USB Drivers instructions step by step but still not work, I didn\'t find "Android Composite ADB Interface
Open USB debugging, and May be your usb driver is not correct ,You can use wandoujia to install the driver on your windows, here is the download page: http://www.wandoujia.com/ It can help you find the driver. Have a try